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Home Theory of Demand Meanings and Definition of Demand

Meanings and Definition of Demand:


The word 'demand' is so common and familiar with every one of us that it seems superfluous to define it. The need for precise definition arises simply because it is sometimes confused with other words such as desire, wish, want, etc.


Demand in economics means a desire to possess a good supported by willingness and ability to pay for it. If your have a desire to buy a certain commodity, say a car, but you do not have the adequate means to pay for it, it will simply be a wish, a desire or a want and not demand. Demand is an effective desire, i.e., a desire which is backed by willingness and ability to pay for a commodity in order to obtain it. In the words of Prof. Hibdon:


"Demand means the various quantities of goods that would be purchased per time period at different prices in a given market".


Characteristics of Demand:


There are thus three main characteristic's of demand in economics.


(i) Willingness and ability to pay. Demand is the amount of a commodity for which a consumer has the willingness and also the ability to buy.


(ii) Demand is always at a price. If we talk of demand without reference to price, it will be meaningless. The consumer must know both the price and the commodity. He will then be able to tell the quantity demanded by him.


(iii) Demand is always per unit of time. The time may be a day, a week, a month, or a year.




For instance, when the milk is selling at the rate of $15.0 per liter, the demand of a buyer for milk is 10 liters a day. If we do not mention the period of time, nobody can guess as to how much milk we consume? It is just possible we may be consuming ten liters of milk a week, a month or a year.


Summing up, we can say that by demand is meant the amount of the commodity that buyers are able and willing to purchase at any given price over some given period of time. Demand is also described as a schedule of how much a good people will purchase at any price during a specified period of time.

Relevant Articles:

Meanings of Demand
Law of Demand
Individual's and Market Demand for a Commodity
Movement Vs Shifts of Demand Curve
Non Price Factors or Shifts Factors Causing Changes in Demand
Slope of the Demand Curve


Principles and Theories of Micro Economics
Definition and Explanation of Economics
Theory of Consumer Behavior
Indifference Curve Analysis of Consumer's Equilibrium
Theory of Demand
Theory of Supply
Elasticity of Demand
Elasticity of Supply
Equilibrium of Demand and Supply
Economic Resources
Scale of Production
Laws of Returns
Production Function
Cost Analysis
Various Revenue Concepts
Price and output Determination Under Perfect Competition
Price and Output Determination Under Monopoly
Price and Output Determination Under Monopolistic/Imperfect Competition
Theory of Factor Pricing OR Theory of Distribution
Principles and Theories of Macro Economics
National Income and Its Measurement
Principles of Public Finance
Public Revenue and Taxation
National Debt and Income Determination
Fiscal Policy
Determinants of the Level of National Income and Employment
Determination of National Income
Theories of Employment
Theory of International Trade
Balance of Payments
Commercial Policy
Development and Planning Economics
Introduction to Development Economics
Features of Developing Countries
Economic Development and Economic Growth
Theories of Under Development
Theories of Economic Growth
Agriculture and Economic Development
Monetary Economics and Public Finance

History of Money


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